While the daughter is asleep on the bus with her mother, the man molests the mother. The mother tries to protect her daughter, but the molester's techniques gradually turn her on, and before she knows it, her face is turning from that of a mother to that of a woman... The tension of being seen by her daughter makes her crotch get wetter. The daughter notices something is wrong and is confused by the sight of her mother already in a state of pleasure, but the molester's attacks make her herself consumed by an extraordinary excitement...